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Recommended Posts

Posted

hi people. This is my first post and hope yours can help me out. I just recently bought my 2003 boxster and so far it been great but recently I've been finding water under the passenger seat. Am sure yours all know that scotland is continuously raining so when i got in the car this morning after a heavy rainfall there was a puddle behind the passenger seat. I had only dried it out the previous week so know its def got a leak. I.ve checked the drainage holes and they seem to be fine but am lost to where else it could be coming from? i checked the passenger foot well and that feels potentially wet also. I was thinking of trying to take out the passenger seat but i don't know if its an easy job? Am after happy motoring like my mate has with his nsx so any help or info would be greatly appreciated!!

Posted

You should pour water down the drain holes and see if it drains quickly. I'm willing to bet you'll find that they are plugged. :)

Posted
hi people. This is my first post and hope yours can help me out. I just recently bought my 2003 boxster and so far it been great but recently I've been finding water under the passenger seat. Am sure yours all know that scotland is continuously raining so when i got in the car this morning after a heavy rainfall there was a puddle behind the passenger seat. I had only dried it out the previous week so know its def got a leak. I.ve checked the drainage holes and they seem to be fine but am lost to where else it could be coming from? i checked the passenger foot well and that feels potentially wet also. I was thinking of trying to take out the passenger seat but i don't know if its an easy job? Am after happy motoring like my mate has with his nsx so any help or info would be greatly appreciated!!
it

Gordos3:

Be VERY VERY careful in monitoring water that is ending up under your seats and correcting the problem ASAP.

There is a central alarm control module under one of the seats (left seat on U.S. cars, not sure if it's under the right seat on UK cars), but you can't miss it. It's a large square metal box directly under the seat. If it gets flooded, you are looking at about a $2,000 repair. It also controls the ignition and a number of other functions. When it gets wet, you can sometimes resurrect it by opening it up and drying it out but it's much better to prevent it from happening.

Removing the seat is a very simple matter. There are four torx bolts holding down each seat, but you can get them off with a 10mm small drive (1/4 inch) regular socket if you are careful.

To take the seat completely out, you will have to disconnect the large connector under the seat. DO NOT disconnect that connector with the ignition on or turn the ignition on while the connector is disconnected or you will set off your airbag light. That can then only be reset with a PST2, PIWIS or Durametric unit. There is the possibility of setting the seat on the ground next to the car without disconnecting the connector, but it does get in the way a little. If you go that route, you don't have to worry about the airbag light.

As far as diagnosing the water leak problem, fill a quart jar with water and put a pan on the ground just forward of each rear wheel to catch the water as you pour it down each drain hole. The drains exit just forward of the rear wheels. If you have a full quart after it all drains out, your problem lies elsewhere than a clogged drain.

Be sure to check each foam liner drain tray for any rips or tears, especially in the area directly beneath the V-levers that operate the pushrods of the convertible top. If you ever had one of those pushrods break and the V-lever rotated with the broken pushrod dangling, it will invariably cause a tear in the drain tray that will in turn cause water to leak into the passenger compartment.

Regards, Maurice.

Posted
hi people. This is my first post and hope yours can help me out. I just recently bought my 2003 boxster and so far it been great but recently I've been finding water under the passenger seat. Am sure yours all know that scotland is continuously raining so when i got in the car this morning after a heavy rainfall there was a puddle behind the passenger seat. I had only dried it out the previous week so know its def got a leak. I.ve checked the drainage holes and they seem to be fine but am lost to where else it could be coming from? i checked the passenger foot well and that feels potentially wet also. I was thinking of trying to take out the passenger seat but i don't know if its an easy job? Am after happy motoring like my mate has with his nsx so any help or info would be greatly appreciated!!
it

Gordos3:

Be VERY VERY careful in monitoring water that is ending up under your seats and correcting the problem ASAP.

There is a central alarm control module under one of the seats (left seat on U.S. cars, not sure if it's under the right seat on UK cars), but you can't miss it. It's a large square metal box directly under the seat. If it gets flooded, you are looking at about a $2,000 repair. It also controls the ignition and a number of other functions. When it gets wet, you can sometimes resurrect it by opening it up and drying it out but it's much better to prevent it from happening.

Removing the seat is a very simple matter. There are four torx bolts holding down each seat, but you can get them off with a 10mm small drive (1/4 inch) regular socket if you are careful.

To take the seat completely out, you will have to disconnect the large connector under the seat. DO NOT disconnect that connector with the ignition on or turn the ignition on while the connector is disconnected or you will set off your airbag light. That can then only be reset with a PST2, PIWIS or Durametric unit. There is the possibility of setting the seat on the ground next to the car without disconnecting the connector, but it does get in the way a little. If you go that route, you don't have to worry about the airbag light.

As far as diagnosing the water leak problem, fill a quart jar with water and put a pan on the ground just forward of each rear wheel to catch the water as you pour it down each drain hole. The drains exit just forward of the rear wheels. If you have a full quart after it all drains out, your problem lies elsewhere than a clogged drain.

Be sure to check each foam liner drain tray for any rips or tears, especially in the area directly beneath the V-levers that operate the pushrods of the convertible top. If you ever had one of those pushrods break and the V-lever rotated with the broken pushrod dangling, it will invariably cause a tear in the drain tray that will in turn cause water to leak into the passenger compartment.

Regards, Maurice.

Maurice i think you have just hit the nail on the head there with your last bit of advice cause only three weeks ago my girlfriend was trying to lower the roof for the first time without me showing her wat to do. To cut a long story short she broke the roof resulting in the wat i think is the pushrods bending to 45 deg resulting in them dangling. With me operating the roof trying to figure out wat was wrong these could have torn the drain tray as am sure the water has just started to come in after this incident. Do you know if you can buy the drain tray seperate? is it expensive do you know? and how hard is it to fit? maurice your wisdom is greatly appreciated in helping my situation.

Posted
Maurice i think you have just hit the nail on the head there with your last bit of advice cause only three weeks ago my girlfriend was trying to lower the roof for the first time without me showing her wat to do. To cut a long story short she broke the roof resulting in the wat i think is the pushrods bending to 45 deg resulting in them dangling. With me operating the roof trying to figure out wat was wrong these could have torn the drain tray as am sure the water has just started to come in after this incident. Do you know if you can buy the drain tray seperate? is it expensive do you know? and how hard is it to fit? maurice your wisdom is greatly appreciated in helping my situation.

gordos3:

You can buy the drain trays separate from Porsche.

Porsche calls them "water drip pan" .

The part numbers are as follows: 986 561 805 03 (Left side)

986 561 806 03 (Right side).

They each list for $75.76, but you should be able to get them for less from Sunset Imports (board sponsor).

Replacement is straightforward but a little time consuming. The most involved part is the removal of the three bolts (and either one or two phillips head screws) that hold the base of the convertible top frame onto the car. You will also have to remove the 19mm bolt that holds the V-lever onto the convertible top transmission, then the V-lever itself. Then there are a couple of large plastic "screws" at the rear of the convertible top well on each side.

If you don't want to spend the $$ and the tears are not too bad, you can repair the drain trays with black urethane sealant.

Again, whatever you decide, be very careful about the water and the alarm control unit under the seat.

Keep us posted with your progress.

Regards, Maurice.

Posted

I had the same problem recently on my 996 cab and it was in fact the drain plug on the pass side. Its an easy fix if you catch it before it fries anything electronic. In the 996 the ECU is dangerously low in the wheel well. I had an inch of water. I am not sure of the Boxster but in the 996 you simply have to remove the rear wheel and wheel well liner and find the drain ply and clear it. 1 hr. or less. Of course then you have to dry out the wheel well. This takes some doing because there is a lot of foam under the carpet to retain water. I actually removed my carpet and dried it and then reinstalled it. Also, you will want to make sure there is no rust in the floor pan depending on how long the water was in there.

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